编程狮在线代码实例

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<!DOCTYPE html>
<html>
<head>
<style>
#div1
{
position: relative;
height: 200px;
width: 200px;
margin: 50px;
padding:10px;
border: 1px solid black;
}
​
#div2
{
padding:50px;
position: absolute;
border: 1px solid black;
background-color: red;
transform: rotate(45deg);
transform-origin:20% 40%;
-ms-transform: rotate(45deg); /* IE 9 */
-ms-transform-origin:20% 40%; /* IE 9 */
-webkit-transform: rotate(45deg); /* Safari and Chrome */
-webkit-transform-origin:20% 40%; /* Safari and Chrome */
-moz-transform: rotate(45deg); /* Firefox */
-moz-transform-origin:20% 40%; /* Firefox */
-o-transform: rotate(45deg); /* Opera */
-o-transform-origin:20% 40%; /* Opera */
}
</style>
<script>
function changeRot(value)
{
document.getElementById('div2').style.transform="rotate(" + value + "deg)";
document.getElementById('div2').style.msTransform="rotate(" + value + "deg)";
document.getElementById('div2').style.webkitTransform="rotate(" + value + "deg)";
document.getElementById('div2').style.MozTransform="rotate(" + value + "deg)";
document.getElementById('div2').style.OTransform="rotate(" + value + "deg)";
document.getElementById('persp').innerHTML=value + "deg";
}
​
function changeOrg()
{
var x=document.getElementById('ox').value;
var y=document.getElementById('oy').value;
document.getElementById('div2').style.transformOrigin=x + '% ' + y + '%';
document.getElementById('div2').style.msTransformOrigin=x + '% ' + y + '%';
document.getElementById('div2').style.webkitTransformOrigin=x + '% ' + y + '%';
document.getElementById('div2').style.MozTransformOrigin=x + '% ' + y + '%';
document.getElementById('div2').style.OTransformOrigin=x + '% ' + y + '%';
document.getElementById('origin').innerHTML=x + "% " + y + "%";            
}
</script>
</head>
​
<body>
​
<p>Rotate the red div element, try changing its X-axis and Y-axis:</p>
​
<div id="div1">
  <div id="div2">HELLO</div>
</div>
​
Rotate:
<input type="range" min="-360" max="360" value="45" onchange="changeRot(this.value)" />
transform: rotateY:(<span id="persp">45deg</span>);
<br><br>
X-axis:<input type="range" min="-100" max="200" value="20" onchange="changeOrg()" id="ox" /><br>
Y-axis:<input type="range" min="-100" max="200" value="40" onchange="changeOrg()" id="oy" />
transform-origin: <span id="origin">20% 40%</span>;
 
</body>
</html>
实例代码
运行结果